ISRI SPEC : Ebony - COMPOSITION OR RED BRASS
NON FERROUS METAL SCRAP : RED METALS : COPPER SCRAPS
Machinery parts, Valves and Bearings
Ebony shall consist of red brass scrap, valves, machinery bearings and other machinery parts, including miscellaneous castings made of copper, tin, zinc, and/or lead.
Shall be free of semi-red brass castings (78%to 81%copper); railroad car boxes and other similar high-lead alloys; cocks and faucets; closed water meters; gates;
pot pieces; ingots and burned brass; aluminum, silicon, and manganese bronzes; iron and non-metallics. No piece tomeasure more than 12" over any one part or
weigh over 100 lbs.